Viessmann 7134 240 Temperature Sensor Instruction Manual
Model: 7134 240
1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of the Viessmann 7134 240 Temperature Sensor. Please read this manual thoroughly before attempting any installation or operation to ensure safe and efficient use of the product. Retain this manual for future reference.
2. Product Overview
The Viessmann 7134 240 Temperature Sensor is designed to accurately measure temperature within compatible heating systems. It provides an electrical signal output corresponding to the detected temperature. This sensor is a critical component for maintaining optimal system performance and safety.
Image 1: The Viessmann 7134 240 Temperature Sensor. This image displays the sensor probe, a long black cable, and an orange electrical connector. The sensor probe is metallic, and the cable is coiled, indicating its length.
3. Setup and Installation
3.1 Compatibility
This temperature sensor is specifically designed for use with Viessmann Wb2A Series systems that include a low-loss header. It is crucial to verify your system's compatibility before installation.
Important: This sensor must never be installed with Vitodens 200, Wb2A-24 Combi Vitodens 200 Wb2A systems. Refer to your system's installation manual for specific sensor requirements.
3.2 Installation Steps
- Safety First: Ensure the heating system is completely powered off and depressurized before beginning installation.
- Locate Sensor Port: Identify the designated temperature sensor port on your compatible Wb2A Series system. Consult your system's manual for the exact location.
- Insert Sensor: Carefully insert the metallic probe of the 7134 240 sensor into the designated port. Ensure it is seated correctly and securely.
- Connect Wiring: Connect the orange electrical connector of the sensor to the corresponding terminal on the system's control board. Ensure the connection is firm and correct according to the wiring diagram provided in your system's manual.
- Secure Cable: Route and secure the sensor cable to prevent damage or interference with other components.
- System Restart: Once installation is complete, repressurize the system (if applicable) and restore power.
- Verify Operation: Monitor the system's display or diagnostic tools to confirm the sensor is reading temperature correctly.
4. Operating Instructions
The Viessmann 7134 240 Temperature Sensor operates automatically once correctly installed and integrated into a compatible Viessmann Wb2A Series heating system. It continuously monitors the temperature and transmits an electrical signal to the system's control unit.
- The sensor does not require manual adjustment or calibration after initial setup.
- System temperature readings will be displayed on the main control panel of your heating unit.
- Refer to your heating system's primary instruction manual for details on interpreting temperature readings and adjusting system settings based on sensor input.
5. Maintenance
The Viessmann 7134 240 Temperature Sensor is designed for long-term reliability with minimal maintenance. However, periodic checks can help ensure its continued accuracy and performance.
- Visual Inspection: Annually, or during routine system maintenance, visually inspect the sensor and its cable for any signs of physical damage, corrosion, or loose connections.
- Cleaning: If accessible and safe to do so, gently clean any dust or debris from the sensor's exterior. Do not use abrasive cleaners or solvents.
- Professional Check: It is recommended to have a qualified heating technician inspect the sensor's functionality and accuracy during regular system servicing.
6. Troubleshooting
If you suspect an issue with your temperature sensor, consider the following troubleshooting steps. Always ensure the heating system is powered off before inspecting or handling components.
| Symptom | Possible Cause | Action |
|---|---|---|
| Inaccurate temperature readings on system display. | Loose or corroded electrical connection. Sensor probe not fully inserted. Sensor malfunction. | Check and secure electrical connections. Ensure sensor probe is correctly seated. If issues persist, contact a qualified technician for sensor testing or replacement. |
| System error code related to temperature sensor. | Wiring fault. Sensor malfunction. Incompatible system. | Refer to your heating system's manual for specific error code diagnostics. Verify sensor compatibility. Inspect wiring for damage. Contact a qualified technician. |
| No temperature reading. | Disconnected wiring. Sensor failure. | Check all connections. If connections are secure, the sensor may have failed and requires replacement by a qualified technician. |
For complex issues or if you are unsure about any troubleshooting step, it is highly recommended to contact a certified Viessmann service technician.
7. Specifications
- Model: 7134 240
- Brand: Viessmann
- Specific Use: Temperature measurement in compatible heating systems
- Output Type: Electrical signal
- Measurement Accuracy: ±1.5%
- ASIN: B00ANIZPYU
8. Warranty and Support
For information regarding the warranty period and terms for the Viessmann 7134 240 Temperature Sensor, please refer to the documentation provided with your original heating system or contact Viessmann customer support directly. Warranty details are typically dependent on the region of purchase and installation.
For technical support, spare parts, or service inquiries, please visit the official Viessmann website or contact your local authorized Viessmann dealer or service partner.
